Majdanpek is a town and municipality located in the Bor District of the eastern Serbia, and is not far from the border of Romania. According to 2022 census, the municipality of Majdanpek had a population of 14,559 people, while the town of Majdanpek had a population of 8,310.

The Bor District is one of nine administrative districts of Southern and Eastern Serbia. It has a population of 101,100 inhabitants, according to the 2022 census results. The administrative center of the Bor district is the city of Bor and the judicial one, due to tradition, Negotin. This district is the easternmost district of Serbia and contains the Serbian panhandle that extends into the Romanian border.